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180065ebb0
by introducing new Item::precedence() method and using it to decide whether parentheses are required
52 lines
1.5 KiB
Text
52 lines
1.5 KiB
Text
drop table if exists t1;
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set @OLD_SQL_MODE=@@SESSION.SQL_MODE;
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create table t1 (a int, b int generated always as (a+1));
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) GENERATED ALWAYS AS (`a` + 1) VIRTUAL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t1;
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create table t1 (a int, b int as (a+1) virtual);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) GENERATED ALWAYS AS (`a` + 1) VIRTUAL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t1;
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create table t1 (a int, b int generated always as (a+1) persistent);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) DEFAULT NULL,
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`b` int(11) GENERATED ALWAYS AS (`a` + 1) STORED
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t1;
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set session sql_mode='ORACLE';
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create table t1 (a int, b int as (a+1));
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show create table t1;
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Table Create Table
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t1 CREATE TABLE "t1" (
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"a" int(11) DEFAULT NULL,
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"b" int(11) GENERATED ALWAYS AS ("a" + 1) VIRTUAL
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)
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drop table t1;
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create table t1 (a int, b int generated always as (a+1) virtual);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE "t1" (
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"a" int(11) DEFAULT NULL,
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"b" int(11) GENERATED ALWAYS AS ("a" + 1) VIRTUAL
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)
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drop table t1;
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create table t1 (a int, b int as (a+1) persistent);
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show create table t1;
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Table Create Table
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t1 CREATE TABLE "t1" (
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"a" int(11) DEFAULT NULL,
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"b" int(11) GENERATED ALWAYS AS ("a" + 1) STORED
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)
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drop table t1;
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set session sql_mode=@OLD_SQL_MODE;
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